frozen soil 中文意思是什麼

frozen soil 解釋
凍結土壤
  • frozen : adj. 1. 冰凍的。2. 凍結的。3. 凍僵[凍傷、凍死]了的。4. 極冷的。5. 冷淡的。6. 〈美國〉(事實、真理等)不可推翻的,不容否認的。adv. -ly 冷淡地;〈美國〉頑固地。
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  1. Experimental study of criteria of compound fracture for frozen soil

    型復合斷裂準則的試驗研究
  2. Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly, more slope wash and dilurial layer distribution, there are more harm, for example, island shaped perennially frozen soil, drift ice and so on, which effect the stability of the road foundation

    由於沿線地處山嶺重丘地區,地勢起伏較大,坡積物及洪積層分佈較多。故島狀多年凍土、涎流冰等病害較多,影響路基的穩定。
  3. ( 1 ) modeling of numerical analysis of frozen soil ventiduct roadbed by ann ( 2 ) developing the ann optimization design system for ventiduct roadbed in permafrost area ( 3 ) defining of the sequel learning tactic of three layer bp network ( 4 ) improvement on bp arithmetic in ann module

    ( 2 )開發了凍土通風管路基優化設計神經網路分析軟體系統具有完整的前後處理、溫度場分析、設計方案優化等功能,能滿足工程應用的基本需要。還能夠作為數值分析子模塊,以標準com組件形式嵌入「青藏鐵路數字路基」 gis系統。
  4. In the end of this part, some application examples of fracture mechanics for the frozen soil have been given out. in the second part, continuum damage mechanics has been introduced to study the characteristics of the frozen soil. on base of additional damage concept, a judging model for initial and additional damage for frozen soil was proposed

    第五章進行的是凍土損傷力學的測試研究,首先介紹了凍土損傷的動態測試原理與方法,採用附加損傷的概念推導了凍土初始與附加損傷的動態識別模式,隨后對凍土單軸壓縮過程進行了動態測試,對在這一過程中的內部結構變化特徵進行了研究。
  5. At last, an effective stress were calculated and compared with the really stress using the theory mentioned above. the third part is a discussion and prospect on the frozen soil study using fracture mechanics theory and continuum damage mechanics. all of the work are supported by nsf and sklfsa

    最後對本文工作進行了總結,分別對凍土斷裂力學、損傷力學研究的發展與展望提出了自己的觀點與設想,指出將斷裂力學、損傷力學引入凍土力學研究至今還僅僅是初步工作,還需要進行大量的研究工作。
  6. A theoretical model for the creep process of frozen soil based on damage mechanics

    凍土蠕變過程的損傷力學模型
  7. Research on drilling tools of frozen soil

    凍土鉆削與沖擊的研究
  8. The aim of this thesis studies frozen - heave forces on culvert brake slab - foundation. first, it introduces the reasons and types of frozen damage of the slab - foundation in seasonal frozen soil conditions. secondly, the experimental studies of frozen soil mechanics were decided in order to revolve frozen - heave forces on the slab - foundation

    本論文以涵閘平板式基礎作為研究對象,首先探討了平板基礎凍脹破壞的原因及破壞類型,並圍繞涵閘工程平板基礎的凍脹力進行了工程凍土力學方面的試驗研究。
  9. In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete

    論文第二章為凍土斷裂力學的基本理論,包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等,給出了凍土斷裂韌度k _ ( c ) 、 k _ ( c ) 、 -型復合斷裂測試的基本原理及試驗方法,並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ ( c )尺寸效應系數,為後面的工作提供理論基礎。
  10. Smooth blasting technology for a tunnel in frozen soil

    高原凍土隧道施工機械適應性技術
  11. The strength of frozen soil will decrease obviously if it is thawed, especially when ice lens is abundant in it, which is the main cause of the mud pumping in subgrade as well as the instability of foundation in seasonal frozen ground regions

    摘要凍土,特別是含冰透鏡體的凍土解凍時,出現強度大幅度下降的弱化現象,這是季節凍土區內路基春季翻漿冒泥、地基失穩的重要原因。
  12. The thermal dynamic analysis of tunnel drainage hole in the perennial frozen soil

    多年凍土中隧道泄水洞熱動態分析
  13. The asphalt base course, a different kind of base course, is scarcely used in china, needless to say in perennially frozen soil zone

    瀝青穩定基層屬于柔性基層的范疇,不同於無機結合料穩定的半剛性基層。
  14. Over there, whenever the rumble of thunder reverberated across the valley, the buds of spring would seem to sprout freely after being disturbed and roused up from their slumber in the frozen soil

    那隆隆的有力的搏擊,從山谷返響到山谷,彷彿春之芽就從凍土裡震動,驚醒,而怒茁出來。
  15. Subsequently, a constitutive including damage value for the frozen soil was set up, and the evolution equations for saturation and unsaturated frozen soil were given out based on the damage distinguish

    建立了凍土單軸壓縮的損傷型本構表達式,給出了凍土單軸壓縮下的損傷演化方程,並進行了有效應力的計算。
  16. An elastoplastic anisotropic damage model for frozen soil and its damage analysis

    凍土彈塑性各向異性損傷模型及其損傷分析
  17. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  18. Study on characteristics of failure for frozen soil is one major component of frozen soil mechanics

    本文採用斷裂力學方法對其破壞進行研究與分析,以期建立一種新的破壞準則-廣義強度破壞理論。
  19. Finally, this paper initially builds up a synthesis atsm design method for such areas. we sincerely hope the achievement of this research can be applied to settle the destructions and improve the performances of base course in perennially frozen soil zone

    研究中,採用改進的大型馬歇爾試驗成型試件,試驗研究結果表明,瀝青穩定碎石各項路用性能優良,能夠滿足多年凍土地區公路瀝青穩定基層的使用要求。
  20. So analyzing the unique environment the highways there faces and researching the performance of asphalt mixes base course, and to imply a complete atsm ( asphalt treated stones mixes ) design method for base is an important question of our country ' s construction in wide perennially frozen soil zone

    目前我國瀝青穩定基層使用較少,在多年凍土地區更是空白,所以分析多年凍土地區公路所面臨的特殊自然環境,研究瀝青穩定碎石基層的路用特性,提出瀝青穩定碎石混合料的設計方法是我國廣大多年凍土地區公路建設的一個重要課題之一。
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